package com.tmt.im.wallet.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @Description TODO
 * @Author wuyi
 * @Date 2024/8/13 10:12
 * @Version 1.0
 **/
@Configuration
public class ThreadPoolConfig {

    @Bean("asyncTaskExecutor")
    public Executor asyncTaskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 核心线程数：线程池创建时候初始化的线程数
        executor.setCorePoolSize(10);
        // 最大线程数：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
        executor.setMaxPoolSize(200);
        // 缓冲队列长度：用来缓冲执行任务的队列
        executor.setQueueCapacity(100);
        //空闲线程保活时间：60秒，当超过了核心线程之外的线程在空闲时间耗尽后会被销毁
        executor.setKeepAliveSeconds(60);
        //线程池名的前缀：设置好了之后可以方便我们定位处理任务所在的线程池
        executor.setThreadNamePrefix("wallet-");
        //缓冲队列满了之后的拒绝策略：由调用线程处理（一般是主线程）
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        executor.initialize();
        return executor;
    }
}
